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` s <br /> BIO CONVER''7RS, INC. / AEROSPACE Mfirr;JFACTURER <br /> FIELD BIOTRE?ICTABILITY STUDY OF SOILS IN A SEALED DRUM <br /> 8240 VOLATILE ORGANICS BY GCMS AND MICROBIOLOGICAL EVALUATIONS <br /> 60 day treatability project demonstrating the BCI processes ability to bioremediate high <br /> i concentrations of a wide range of volitile chlorinated organic compounds through aerobic <br /> metabolism without exposure to atmospheric or exogenous oxygen supplementation. The project <br /> ireveals an average 96% reduction of contaminants with increasing populations of heterotrophic <br /> and selective micro-organisms. <br /> Compounds Detected AVERAGE <br /> (ug/kg) ppb T=0 T=13 T=54 M T=54 B) Ave &S) REDUCTION <br /> Acetone 114,500 510 5,800 3,155 -97% <br /> Benzene 10 5 <br /> 2-Butanone 5,500 280 140 -97% <br /> Carbon Tetrachloride 16 8 <br /> Chlorodibromomethane i 10 5 <br /> 1,1-Dichloroethane 270 <br /> 1,2-Dichloroethane 21 11 <br /> 1,1-Dichloroethene 6 21 14 <br /> Ethylbenzene 4,450 6 290 148 -97% <br /> Methylene Chloride 20 10 <br /> 4-Methyl-2-pentanone g 5 <br /> Tetrachoroethene 3,000 3,600 75 390 233 -92% <br /> Toulene 11 6 <br /> 1,1,1-Trichloroethane 850 5 1 91 48 -94% <br /> Trichloroehtene 11 1 20 15 <br /> Xylenes (total) 14,500 5,000 990 1,000 995 -93% <br /> TOTAL COMPOUNDS 143,070 8,600 1,654 7,936 4,796 : <br /> Average of Compounds 20,438 4,300 150 721 319 - -98:'4 :='i <br /> NOTE: Blank boxes represent Non-Detectable concentrations <br /> "T" represents samples from the top and "B' respresents samples from the bottom <br /> MICROBIOLOGICAL EVALUATIONS <br /> mg/kg (ppm) T=0 T=13 T=27 T=54 (T) T=54 (B) AVE 8B) <br /> GENERAL 0.44 1 6.2 1 430 1 290 132 211 <br /> SELECTIVE ND 0.92 1 21.2 71.2 18.4 44.8 <br /> % DEGRADERS ND 14.8 1 4.9 24 13.9 21 <br /> NOTE_ Both General and Selective numbers represent CFO's in 10 to the power of 5 <br /> "T" represents samples from the top and "B' respresents samples from the bottom <br /> CHLORINATED SOLVENTS (TCI;) <br /> MICROBIAL IGEN($) <br /> 4400 T 430 -sEL(s) ; <br /> 160000 - y 300 T <br /> CL 140000 143,070 i U 200 6.2 211 <br /> a 120000 - 100 1 21.2 <br /> Z 100000 - 0R,2.44 44.8 <br /> 80000 - T=0 T=130,92 T=27 T=54 <br /> DAYS <br /> Z 60000 . <br /> UJ <br /> U 40000 - <br /> Z <br /> 20000 20.438 <br /> v 3 ,600 4 796 <br /> 0 319 <br /> T=0 T=13 T=54 <br /> DAYS 0 TOTAL <br /> -W-AVERAGE <br />